Issue #3270936 by Spokje, quietone, andypost, lauriii: Deprecate Color module

core/modules/color/color.info.yml

...ules/color/tests/src/Functional/ColorConfigSchemaTest.php

...dules/color/tests/src/Functional/ColorSafePreviewTest.php

core/modules/color/tests/src/Functional/ColorTest.php

...s/src/Functional/Migrate/NoMultilingualReviewPageTest.php

...es/color/tests/src/Kernel/Migrate/d7/MigrateColorTest.php

...r/tests/src/Kernel/Plugin/migrate/source/d7/ColorTest.php

core/profiles/demo_umami/demo_umami.info.yml